1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 5 , 1995 Date of Report (date of earliest event reported) ALTERA CORPORATION (Exact name of Registrant as specified in its charter) California 0-16617 77-0016691 (State or other jurisdiction of (Commission File Number) (I.R.S. Employer incorporation or organization) Identification No.) 2610 Orchard Parkway San Jose, CA 95134 (Address of principal executive offices) Registrant's telephone number, including area code: (408) 894-7000 Not Applicable (Former name or former address, if changed since last report) 2 Item 5. Other Events. In a press release disseminated on June 5, 1995, the registrant publicly announced that it intends, subject to market and other conditions, to raise $150 million in a private placement of convertible subordinated notes to certain institutional buyers and up to $172.5 million if an over-allotment option to be granted to the initial purchasers were exercised in full. A copy of the press release is attached hereto and incorporated herein by reference. Item 7. Financial Statements and Exhibits. A copy of registrant's press release announcing a private placement of convertible subordinated notes is attached hereto as an exhibit and incorporated herein by reference. -2- 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Dated: June 9, 1995 Altera Corporation By: /s/ Martin R. Baker ----------------------------- Martin R. Baker Secretary -3- 4 INDEX TO EXHIBITS EXHIBIT DESCRIPTION PAGE ------- ----------- ---- 99.1 Press Release disseminated June 5, 1995